Defense Contractor/ National Defense customer service jobs

Jun 30, 2026

Full time

$150,000 - $185,000 yearly

KBR El Segundo, CA

Title: Cyber Security Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. KBR is seeking a Cyber Security Engineer to join our team in El Segundo, CA. An active TS/SCI is required to be considered for this position. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and...

Jun 30, 2026

Full time

Information Systems Security Manager (ISSM) Location El Segundo, California

$160,000 - $200,000 yearly

KBR El Segundo, CA

Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security. Why Join Us? Innovative Projects: KBR’s work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace. Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense. Information Systems Security Manager (ISSM) KBR is seeking an Information Systems Security...

Jun 29, 2026

Full time

Engineer, Systems III- San Diego, CA

$53.00 - $66.00 hourly

Centurum San Diego, CA

Engineer, Systems III San Diego, CA Full Time SATCOM Experienced The System Engineer III (SE III) will have experience with Power BI, SharePoint, and other Microsoft 365 tools to streamline business processes, improve data visibility, and enhance collaboration. The SE III will work closely with stakeholders to understand business needs, translate them into technical solutions, and provide ongoing support and troubleshooting. This role will also involve the development of data tracking to monitor project and organizational impact, including tracking funding and impacts based on project schedule, overtime, leave, and new requirements. DUTIES AND RESPONSIBILITIES Workflow Automation: Design, develop, and implement automated workflows using Power Automate to streamline repetitive tasks such as approvals, reminders, report generation, and notifications. Specific examples include automating overtime...

Jun 29, 2026

Full time

Integrated Master Scheduler II (SATCOM)- San Diego

$40.00 - $46.00 hourly

Centurum San Diego, CA

Integrated Master Scheduler II (SATCOM) San Diego, CA Full Time SATCOM Mid Level The Integrated Master Scheduler is a skilled scheduler who can ensure success through careful analysis and effective communication. As an Integrated Master Scheduler on our team, you'll analyze the development and manage schedules that comply with a program's Statement of Objectives (SOO), Technical Performance Requirements (TPRs), Work Breakdown Structure (WBS), and Statement of Work (SOW). This role will also involve the development of data tracking to monitor project and organizational impact, including tracking funding and impacts based on project schedule, overtime, leave, and new requirements. Working with DoD clients to establish and monitor the execution of the program towards milestones, key events, and significant accomplishment criteria. Publish the Integrated Management System (IMS) to a SharePoint site for use by DoD...

Jun 29, 2026

Full time

Automation Engineer (SATCOM) San Diego, CA

$41.00 - $53.00 hourly

Centurum San Diego, CA

Automation Engineer (SATCOM) San Diego, CA Full Time SATCOM Mid Level The Automation Engineer is responsible for designing, developing, implementing, and maintaining automated workflows and solutions within the Microsoft 365 environment. This role leverages Power Automate, Power BI, SharePoint, and other Microsoft 365 tools to streamline business processes, improve data visibility, and enhance collaboration. The Developer will work closely with stakeholders to understand business needs, translate them into technical solutions, and provide ongoing support and troubleshooting. This role will also involve the development of data tracking to monitor project and organizational impact, including tracking funding and impacts based on project schedule, overtime, leave, and new requirements. DUTIES AND RESPONSIBILITIES Workflow Automation: Design, develop, and implement automated workflows using...

Jun 26, 2026

Full time

Payroll Administrator- San Diego

$83,600 - $108,100 yearly

General Dynamics NASSCO San Diego, CA

Payroll Administrator Date: May 9, 2026 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date: Until Filled Shift: 1st Security Clearance: No Clearance SUMMARY Supervises day to day activities and operations of the payroll department, providing supervision and training to lower level payroll staff. Ensures timeliness and accuracy of the weekly payroll. Assumes the responsibilities of the payroll supervisor in supervisor’s absence. Ensures that payroll processes are in compliance with State and Federal laws concerning employee pay as well as company policies and collective bargaining agreements. Responsible in the performance and productivity affecting payroll goals. Reports to the...

Jun 26, 2026

Full time

Corporate and Physical Security Officer I (Guard)- San Diego

$43,100 - $56,700 yearly

General Dynamics NASSCO San Diego, CA

Corporate and Physical Security Officer I (Guard) Apply now » Date: Apr 9, 2025 Location: San Diego, CA, US, 92113 Company: National Steel and Shipbuilding Com Job Posting End Date: until filled Shift: All Security Clearance: No Clearance required SUMMARY Work as part of a respected team of security professionals protecting the people and property of General Dynamics (GD) NASSCO and US Navy personnel and ships based at GD NASSCO. You will bring expertise, excellence and commitment to protecting some of our Nation’s most valuable assets. The ideal candidate will have a positive attitude, exceptional customer service skills, heightened situational awareness, and thrive in a fast paced, continually changing environment. Prior...

Jun 26, 2026

Full time

Electronic Warfare Fleet Liaison-, Point Mugu

$85,000 - $115,000 yearly

General Dynamics Information Technology Naval Air Station Point Mugu, CA

Electronic Warfare Fleet Liaison Clearance Level Secret Category Intelligence Operations and Analysis Location Point Magu, California (Onsite Workplace) Apply Now Key Skills For Success Collaboration ELINT Evaluate Information Share REQ#: RQ212547 Public Trust: None Requisition Type: Regular Your Impact Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure. Job Description Electronic Warfare Fleet Liaison Contribute to the strategic direction of the business and support impactful mission outcomes as an Electronic Intelligence Analyst at GDIT. Here, you’ll enable the success of the most critical government missions and the growth of a meaningful...

Jun 20, 2026

Full time

Client Systems Support (Expert)- Vandenberg SFB

$100,000 - $110,000 yearly

Delta Solutions and Strategies Vandenberg Space Force Base, CA

Client Systems Support (Expert) Vandenberg SFB, CA USSPACECOM – US Space Forces- Space (S4S) IT / Full Time - Exempt / On-site Delta Solutions & Strategies is seeking a Client Systems Support Expert to support our team at Vandenberg SFB. The Client Systems Support team provides responsive, comprehensive, and secure end-user IT support across all S4S networks and facilities. Personnel ensure users have reliable access to classified and unclassified systems, communications tools, and collaboration platforms necessary to execute the mission. This position integrates front-line Help Desk functions, technical endpoint support, and executive IT services within a single service delivery framework. The Client Systems Support staff troubleshoot, configure, and maintain end-user systems, provide account and access assistance, coordinate escalations with enterprise providers, and ensure...

Jun 20, 2026

Full time

IT Specialist- San Diego

$80,000 - $130,000 yearly

InfoTechSVP San Diego, CA

IT Specialist Type Full-Time/Part-Time Job Summary We are a growing, technology solutions provider servicing our clients with on-site IT Support Specialists who focus on their environment and their technical challenges to provide the best possible solutions. In this role you will work with Microsoft technologies, grow technically and professionally, anticipate and solve problems and implement solutions. If you enjoy making an impact every day, have a customer focus and enjoy new challenges, this could be the role for you. Job Responsibilities Troubleshoot and solve IT issues Implement IT solutions using best practices and by leveraging resources and team Perform systems maintenance such as security patches Administer Office 365 and other systems Complete projects and keep track of...

Jun 16, 2026

Full time

Unarmed Security Officer San Francisco

$40.00 hourly

Triple Canopy San Francisco, CA

This position is up and coming for a new contract. We are currently collecting applicants for interviews to be held in August. POSITION SUMMARY Provide professional, high-level unarmed security services for the personnel, visitors, and property of various buildings within the California Bay Area. Work locations include Mission Bay, South San Francisco, San Carlos, and Palo Alto. shifts in a specific building will not be guaranteed. PAY TRANSPARENCY/COMPENSATION Rate of Pay: $40.00/hr Paid training for 1.5 weeks at a full hourly rate RESPONSIBILITIES Provide security for various buildings by conducting perimeter security, internal security, threat monitoring , etc. Protect personnel and property in a professional manner Meet and deal tactfully and politely with general public and visitors Effectively and efficiently screen and process visitors as required Identify, report, delay or detain persons who violate...

Jun 16, 2026

Full time

Unarmed Security Guard San Francisco

$40.00 hourly

Triple Canopy San Francisco, CA

We are currently collecting resumes for an upcoming new contract. We anticipate holding interviews in the first quarter of 2026, but the timeline is subject to change. POSITION SUMMARY Provide professional, high-level unarmed security services for the personnel, visitors, and property of various buildings within the California Bay Area. Work locations include Mission Bay, South San Francisco, San Carlos, and Palo Alto. shifts in a specific building will not be guaranteed. PAY TRANSPARENCY/COMPENSATION Rate of Pay: $40.00/hr Paid training for 1.5 weeks at a full hourly rate RESPONSIBILITIES Provide security for various buildings by conducting perimeter security, internal security, threat monitoring, etc. Protect personnel and property in a professional manner Meet and deal tactfully and politely with the general public and visitors Effectively and efficiently screen and process visitors as required Identify,...

Jun 09, 2026

Temp to Perm

Field Service Technician I- San Francisco

$48,100 - $86,950 yearly

Leidos Hybrid (San Francisco, CA)

Field Service Technician I Job #: R-00184879 Location: San Francisco, California Category: Field Services Schedule (FT/PT): Full Time Travel Required: Yes, 75% of the time Shift: Standard Plus On Call Remote Type: No Remote Clearance: Public Trust External Referral Program : Ineligible Sector: Homeland Share: share to twitter share to facebook share to linkedin Apply Now Save Job The Security Enterprise Solutions (SES) Operation is the cornerstone of Leidos’ comprehensive suite of fully-integrated security solutions for aviation, ports, borders, and critical infrastructure customers around the world. With our new, combined portfolio, our operation has more than 24,000 products deployed across 120 countries. Leveraging this...

Jun 09, 2026

Temp to Perm

Field Service Technician I- Calexico

$48,100 - $86,950 yearly

Leidos Hybrid (Calexico, CA)

Field Service Technician I Job #: R-00180558 Location: Calexico, California Category: Field Services Schedule (FT/PT): Full Time Travel Required: Yes, 75% of the time Shift: Standard Plus On Call Remote Type: No Remote Clearance: Public Trust External Referral Program : Ineligible Sector: Homeland Share: share to twitter share to facebook share to linkedin Apply Now Save Job The Security Enterprise Solutions (SES) Operation is the cornerstone of Leidos’ comprehensive suite of fully-integrated security solutions for aviation, ports, borders, and critical infrastructure customers around the world. With our new, combined portfolio, our operation has more than 24,000 products deployed across 120 countries. Leveraging this...

Jun 09, 2026

Temp to Perm

Field Service Technician I- Torrance

$48,100 - $86,950 yearly

Leidos Hybrid (Torrance, CA)

Field Service Technician I Job #: R-00179359 Location: Torrance, California Category: Field Services Schedule (FT/PT): Full Time Travel Required: Yes, 75% of the time Shift: Standard Plus On Call Remote Type: No Remote Clearance: Public Trust External Referral Program : Ineligible Sector: Homeland Share: share to twitter share to facebook share to linkedin Apply Now Save Job The Security Enterprise Solutions (SES) Operation is the cornerstone of Leidos’ comprehensive suite of fully-integrated security solutions for aviation, ports, borders, and critical infrastructure customers around the world. With our new, combined portfolio, our operation has more than 24,000...

Jun 08, 2026

Full time

Security Officer 3 Hawthorne

$28.00 hourly

Space Exploration Technologies Corp Hawthorne, CA

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SECURITY OFFICER 3 Security Officers are dedicated security professionals with a demonstrated ability to work independently and as a member of a team in a fast-paced high-tech environment. Security Officers work as a team, patrolling the company’s properties via vehicle and foot and/or ensuring security at a series of fixed locations in accordance with federal, state, and local laws as well as company regulations. RESPONSIBILITIES: Maintain proficiency/awareness of static guard post duties Plan and execute security support for SpaceX operations Plan and conduct advanced security training for all security officers Conduct advanced research and analysis...

May 18, 2026

Full time

Equipment Operator (Tanks & Seps), Long Beach, Ca

$0.00 hourly

Clean Harbors Long Beach, CA

RESPONSIBILITIES Key Responsibilities: Ensures Health and Safety is the number one goal by following policies, processes, and acting in a safe manner at all times; Transporting, carrying, and connecting hoses, fittings, pumps, and other site related equipment; Monitoring and operation of special equipment such as pumps, breathing air equipment, and tools to enab le the cleaning of tanks; Operate equipment according to procedures and safe practices Ability to follow orders from site supervisory personnel; Donning and doffing HazMat PPE and entering confined spaces to aid in the cleaning of large storage tanks; May be required to perform physically strenuous duties such as removal of product or sludes while in the tank wearing HazMat PPE; Additional duties as assigned. QUALIFICATIONS Required Qualifications: Refinery tank cleaning is preferred; however, offshore, drilling, chemical handling, military...

May 18, 2026

Full time

Technician Tanks & Seps, Long Beach, Ca

$0.00 hourly

Clean Harbors Long Beach, CA

RESPONSIBILITIES Key Responsibilities: Ensures Health and Safety is the number one goal by following policies, processes, and acting in a safe manner at all times; Transporting, carrying, and connecting hoses, fittings, pumps, and other site related equipment; Monitoring and operation of special equipment such as pumps, breathing air equipment, and tools to enable the cleaning of tanks; Operate equipment according to procedures and safe practices Ability to follow orders from site supervisory personnel; Donning and doffing HazMat PPE and entering confined spaces to aid in the cleaning of large storage tanks; Hands on operation of Centrifuge performance to meet customer expectations; Inspects equipment, work area, prior to starting any job; Completes all appropriate paperwork and submits them per requirements; Additional duties as assigned. QUALIFICATIONS Required Qualifications: Refinery...

May 18, 2026

Full time

Facility Technician I, Santa Ana, Ca

$0.00 hourly

Clean Harbors Santa Ana, CA

RESPONSIBILITIES Ensure Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and always acting in a safe manner Direct and optimize overall operations in the assigned geographic area Ensure the communication of all required report information is provided to all pertinent departments Review operational reports with attention to operational problems, customer concerns, and regulatory compliance and safety issues, and provide operational input Monitor overall branch performance with special attention to safety and environmental issues, providing solutions to problems that repeatedly affect branch performance or could lead to future issues Provide overall leadership and direction while maintaining a secure and respectful team-oriented workplace Ensure employees are operating according to company goals, objectives, and core values by monitoring and reinforcing employee compliance with Company Policies...

May 18, 2026

Full time

Director of Operations, Long Beach, Ca

$0.00 hourly

Clean Harbors Long Beach, CA

RESPONSIBILITIES Ensuring that Health and Safety is the number one priority by complying with all safe work practices, policies, and processes and acting in a safe manner at all times. Coordinates and manages group activities and interactions with other divisions. Coordinates scheduling of personnel and project assignments. Conducts and supervise staff meetings. Approves all accounts payable / accounts receivable for payment. Reviews monthly P&L statements and all applicable discrepancies. Performs revenue forecasting. QA/QC's all specialist work. Oversees customer service responsibilities for office. Enforces or modifies work procedures as needed to ensure a safe and efficient work environment. Directly supervises employees including interviewing, hiring, training, planning, assigning, directing work, appraising performance, rewarding and disciplining employees, addressing complaints and resolving problems in accordance with company HR...

92 customer service jobs found